เครื่องลับดอกสว่าน

1. Set uup the drill to the collet holder

Follow up the Steps 1, 2, 3, 4 for set up the drill to the collet holder. (with out tighing)

***as shown on diagram #1

2. Set up the diameter of drill

a. Turn right the scale annulus to be "0" position.

b. Adjust the scale to meet the diameter of the drill.

***as shown on diagram #2

3. Set up the drill to the grinding position

Insert the collet holder with drill and turn right, then tight the drill by collet holder for set up the grinding position.

***s shown on diagram #3

Attn: The scale annulus maybe not exact for the drill diameter, because of used drill or different model of drill any how, plase always check the center edge of drill must be parallel with the gap of "Collet Holder" ***as shown on the right diagram.

4. Grind the drill tip

a. Turn on the power of the grinder.

b. Insert the collet holder with drill and push to the grinding wheel slowly, then move left and right repeatedly to sharpen the drill until the grinding sound disappeared.

c. Take out the collet holder with drill can change to the other side to grind agnin in same way as above mentioned.

***as shown on diagram #4

5. Center Point Grinding Base adjusting

Adjust the center point grinding base to the suitable position. Turn right for bigger, turn left for smaller.

***as shown on diagram #5

6. Grind the center point of dirll

1. Insert the collet holder with drill and push to the grinding wheel slowly, then move left and right repeatedly to grind the center point of drill until the grinding sound disappeared.

2. Take out the collet holder with drill and change to the other side to grind again in same way as above mentioned.

***as shown on diagram #6